21705239

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:950

約数の個数: 16

約数和(自身を含む): 24161280

約数和(自身を除く): 2456041

約数列:

[1, 19, 31, 43, 589, 817, 857, 1333, 16283, 25327, 26567, 36851, 504773, 700169, 1142381, 21705239]

約数ペア:

[(1, 21705239), (19, 1142381), (31, 700169), (43, 504773), (589, 36851), (817, 26567), (857, 25327), (1333, 16283)]